iOS 11.4.1 (build 15G5054c) is an official Apple over-the-air update for the iPhone 8 Plus (Global), released on 2018-05-30T17:05:04Z. The update package is 284.94 MB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7ac6aa84b06953ce33de0aa789460258dcd1cad4.zip.